FR3047806B1 - Dispositif de mesure d'un courant electrique genere par un amplificateur acoustique pour actionner une enceinte acoustique - Google Patents
Dispositif de mesure d'un courant electrique genere par un amplificateur acoustique pour actionner une enceinte acoustique Download PDFInfo
- Publication number
- FR3047806B1 FR3047806B1 FR1651213A FR1651213A FR3047806B1 FR 3047806 B1 FR3047806 B1 FR 3047806B1 FR 1651213 A FR1651213 A FR 1651213A FR 1651213 A FR1651213 A FR 1651213A FR 3047806 B1 FR3047806 B1 FR 3047806B1
- Authority
- FR
- France
- Prior art keywords
- voltage
- current
- whose
- resistor
- converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims 1
- 230000010287 polarization Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/007—Protection circuits for transducers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R29/00—Monitoring arrangements; Testing arrangements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/462—Indexing scheme relating to amplifiers the current being sensed
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1651213A FR3047806B1 (fr) | 2016-02-15 | 2016-02-15 | Dispositif de mesure d'un courant electrique genere par un amplificateur acoustique pour actionner une enceinte acoustique |
CA2957919A CA2957919A1 (en) | 2016-02-15 | 2017-02-14 | Device for measuring an electric current generated by an acoustic amplifier in order to actuate an acoustic speaker |
EP17156116.0A EP3206038B1 (fr) | 2016-02-15 | 2017-02-14 | Dispositif de mesure d'un courant électrique généré par un amplificateur acoustique pour actionner une enceinte acoustique |
ES17156116T ES2876357T3 (es) | 2016-02-15 | 2017-02-14 | Dispositivo para medir una corriente eléctrica generada por un amplificador acústico para accionar un altavoz acústico |
RU2017104737A RU2727074C2 (ru) | 2016-02-15 | 2017-02-14 | Устройство для измерения электрического тока, генерируемого усилителем звуковой частоты, для приведения в действие акустической колонки |
JP2017024970A JP6872383B2 (ja) | 2016-02-15 | 2017-02-14 | 音響スピーカーを作動させるために音響増幅器によって生成される電流を測定するための装置 |
CN201710082013.1A CN107105379B (zh) | 2016-02-15 | 2017-02-15 | 测量由声学放大器产生的致动声学扬声器的电流的设备 |
US15/433,867 US9949028B2 (en) | 2016-02-15 | 2017-02-15 | Device for measuring an electric current generated by an acoustic amplifier in order to actuate an acoustic speaker |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1651213 | 2016-02-15 | ||
FR1651213A FR3047806B1 (fr) | 2016-02-15 | 2016-02-15 | Dispositif de mesure d'un courant electrique genere par un amplificateur acoustique pour actionner une enceinte acoustique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR3047806A1 FR3047806A1 (fr) | 2017-08-18 |
FR3047806B1 true FR3047806B1 (fr) | 2019-07-26 |
Family
ID=55486979
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1651213A Expired - Fee Related FR3047806B1 (fr) | 2016-02-15 | 2016-02-15 | Dispositif de mesure d'un courant electrique genere par un amplificateur acoustique pour actionner une enceinte acoustique |
Country Status (8)
Country | Link |
---|---|
US (1) | US9949028B2 (ru) |
EP (1) | EP3206038B1 (ru) |
JP (1) | JP6872383B2 (ru) |
CN (1) | CN107105379B (ru) |
CA (1) | CA2957919A1 (ru) |
ES (1) | ES2876357T3 (ru) |
FR (1) | FR3047806B1 (ru) |
RU (1) | RU2727074C2 (ru) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110932698A (zh) * | 2019-12-17 | 2020-03-27 | 中晟微电子(南京)有限公司 | 一种高通滤波器的漏电流补偿电路 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4221128A (en) * | 1978-09-29 | 1980-09-09 | Neil Brown Instruments Systems, Inc. | Acoustic current meter |
JP2862370B2 (ja) * | 1990-11-29 | 1999-03-03 | 株式会社アドバンテスト | 電流検出回路 |
US5517134A (en) * | 1994-09-16 | 1996-05-14 | Texas Instruments Incorporated | Offset comparator with common mode voltage stability |
JP3189605B2 (ja) * | 1994-12-20 | 2001-07-16 | ソニー株式会社 | スピーカー駆動回路 |
JP2004053528A (ja) * | 2002-07-23 | 2004-02-19 | Mitsubishi Electric Corp | 電流検出回路 |
RU2231797C1 (ru) * | 2002-11-25 | 2004-06-27 | Институт проблем управления им. В.А. Трапезникова РАН | Измерительный преобразователь переменного напряжения в постоянное |
JP2005117361A (ja) * | 2003-10-08 | 2005-04-28 | Sanyo Electric Co Ltd | 音響装置及び音響装置の音響特性設定方法 |
US7960997B2 (en) * | 2007-08-08 | 2011-06-14 | Advanced Analogic Technologies, Inc. | Cascode current sensor for discrete power semiconductor devices |
RU2442177C1 (ru) * | 2010-09-09 | 2012-02-10 | Министерство Промышленности И Торговли Российской Федерации | Интегратор тока |
EP2453669A1 (en) * | 2010-11-16 | 2012-05-16 | Nxp B.V. | Control of a loudspeaker output |
EP2632174B1 (en) * | 2012-02-27 | 2016-10-26 | ST-Ericsson SA | A circuit for use with a loudspeaker for portable equipments |
CN102854365B (zh) * | 2012-09-03 | 2015-04-08 | 中国科学院电工研究所 | 一种磁声电电流测量装置 |
US8902005B2 (en) * | 2012-09-25 | 2014-12-02 | Analog Devices, Inc. | Apparatus and method for wide common mode difference |
TW201415913A (zh) * | 2012-10-08 | 2014-04-16 | Chi Mei Comm Systems Inc | 揚聲器系統及其檢測方法 |
US9253569B2 (en) * | 2013-12-20 | 2016-02-02 | Infineon Technologies Ag | System and method for a cancelation circuit |
US9983233B2 (en) * | 2014-02-06 | 2018-05-29 | Texas Instruments Incorporated | Current sensor |
CN103954823B (zh) * | 2014-05-14 | 2016-08-10 | 中国科学院声学研究所 | 声表面波电流传感器 |
-
2016
- 2016-02-15 FR FR1651213A patent/FR3047806B1/fr not_active Expired - Fee Related
-
2017
- 2017-02-14 EP EP17156116.0A patent/EP3206038B1/fr active Active
- 2017-02-14 JP JP2017024970A patent/JP6872383B2/ja active Active
- 2017-02-14 RU RU2017104737A patent/RU2727074C2/ru active
- 2017-02-14 ES ES17156116T patent/ES2876357T3/es active Active
- 2017-02-14 CA CA2957919A patent/CA2957919A1/en not_active Abandoned
- 2017-02-15 US US15/433,867 patent/US9949028B2/en active Active
- 2017-02-15 CN CN201710082013.1A patent/CN107105379B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP3206038B1 (fr) | 2021-04-07 |
EP3206038A1 (fr) | 2017-08-16 |
CN107105379A (zh) | 2017-08-29 |
CN107105379B (zh) | 2020-11-24 |
FR3047806A1 (fr) | 2017-08-18 |
US20170238093A1 (en) | 2017-08-17 |
RU2727074C2 (ru) | 2020-07-17 |
RU2017104737A3 (ru) | 2020-05-26 |
ES2876357T3 (es) | 2021-11-12 |
RU2017104737A (ru) | 2018-08-14 |
US9949028B2 (en) | 2018-04-17 |
JP6872383B2 (ja) | 2021-05-19 |
CA2957919A1 (en) | 2017-08-15 |
JP2017146306A (ja) | 2017-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PLFP | Fee payment |
Year of fee payment: 2 |
|
PLSC | Publication of the preliminary search report |
Effective date: 20170818 |
|
PLFP | Fee payment |
Year of fee payment: 3 |
|
PLFP | Fee payment |
Year of fee payment: 5 |
|
PLFP | Fee payment |
Year of fee payment: 6 |
|
ST | Notification of lapse |
Effective date: 20221005 |